Advertisements Am I missing something? It seems I don’t have the list difference operator defined… $ ghci GHCi, version 8.6.5: http://www.haskell.org/ghc/ 😕 for help Prelude> "Hello World!" \\ "ell W" <interactive>:1:16: error: Variable not in scope: (\\) :: [Char] -> [Char] -> t Prelude> :t (\\) <interactive>:1:1: error: Variable not in scope: \\ Prelude> :type… Read More Where did the haskell list difference operator (\\) go?